<template>
  <div>
    <dog
      :img="item.dogImgUrl"
      :name="item.dogName"
      v-for="(item, index) in arr"
      :key="index"
      @love="lovebtn"
      v-model="lovename"
    />
    <h3>
      你喜欢的狗如下：
      <ul>
        <li v-for="(item, index) in lovename" :key="index">{{ item }}</li>
      </ul>
    </h3>
  </div>
</template>

<script>
import Dog from './components/Dog'

export default {
  components: { Dog },
  data () {
    return {
      arr: [
        {
          dogImgUrl:
            'http://nwzimg.wezhan.cn/contents/sitefiles2029/10146688/images/21129958.jpg',
          dogName: '博美'
        },
        {
          dogImgUrl:
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=1224576619,1307855467&fm=26&gp=0.jpg',
          dogName: '泰迪'
        },
        {
          dogImgUrl:
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2967740259,1518632757&fm=26&gp=0.jpg',
          dogName: '金毛'
        },
        {
          dogImgUrl:
            'https://pic1.zhimg.com/80/v2-7ba4342e6fedb9c5f3726eb0888867da_1440w.jpg?source=1940ef5c',
          dogName: '哈士奇'
        },
        {
          dogImgUrl:
            'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1563813435580&di=946902d419c3643e33a0c9113fc8d780&imgtype=0&src=http%3A%2F%2Fvpic.video.qq.com%2F3388556%2Fd0522aynh3x_ori_3.jpg',
          dogName: '阿拉斯加'
        },
        {
          dogImgUrl:
            'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1563813454815&di=ecdd2ebf479568453d704dffacdfa12c&imgtype=0&src=http%3A%2F%2Fwww.officedoyen.com%2Fuploads%2Fallimg%2F150408%2F1-15040Q10J5B0.jpg',
          dogName: '萨摩耶'
        }
      ],
      lovename: []
    }
  },

  created () {},

  methods: {
    lovebtn (e) {
      // const index = this.dogName.findIndex((item) => item === -1)
      if (this.lovename.indexOf(e) === -1) {
        return this.lovename.push(e)
      }
      // if (index) {
      this.lovename.splice(this.lovename.indexOf(e), 1)
      // }
    }
  }
}
</script>

<style scoped lang="less"></style>
